hang.cheng f75a8be203 hdmitx: set avi picture ar match with vic [1/2] ...

PD#SWPL-244363

Problem:
Per CTA-861 spec, the AVI M field shall match
the Picture Aspect Ratio associated with the
current Video Format VIC

Solution:
1.for VIC with 4x3 picture aspect ratio, set
AVI M filed as 4x3,
2.for modes which picture aspect ratio not
in 4:3, 16:9, 64:27, 256:135(VESA modes),
set AVI M filed as No Data
3.for VIC with 16x9 or 256x135 picture aspect ratio,
as there's no valid M value for 64:27, 256:135,
keep M filed as default 16x9 as previously did

Verify:
S7D

Test:
DRM-TX-155

Change-Id: I56439bfc0130e5741f4e40983de418859e1c470d
Signed-off-by: hang.cheng <hang.cheng@amlogic.com>

2025-12-15 03:34:47 -08:00

..

amlogic

hdmitx: set avi picture ar match with vic [1/2]

2025-12-15 03:34:47 -08:00

upstream_version.h

upgrade: common16-6.12 upgrade to 6.12.38 [2/3]

2025-11-05 20:02:58 -07:00